Tent frame



FIG. 1 is a perspective view of a tent frame showing my design;

FIG. 2 is a front side elevation view thereof, the rear side, left side and right side elevation views all being a mirror image thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

CLAIM The ornamental design for a tent frame, as shown and described. 